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Changes in nearshore waves during the active sea/land breeze period off Vengurla, central west coast of India

DRS at CSIR-National Institute of Oceanography

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Title Changes in nearshore waves during the active sea/land breeze period off Vengurla, central west coast of India
 
Creator Amrutha, M.M.
SanilKumar, V.
Singh, J.
 
Subject OCEANOGRAPHY AND LIMNOLOGY
OCEANOGRAPHY AND LIMNOLOGY
METEOROLOGY AND CLIMATOLOGY
OCEANOGRAPHY AND LIMNOLOGY
 
Description A unique feature observed in the tropical and subtropical coastal area is the diurnal sea-breeze/land-breeze cycle. We examined the nearshore waves at 5 and 15 m water depth during the active sea/land breeze period (January–April) in the year 2015 based on the data measured using the waverider buoys moored in the eastern Arabian sea off Vengurla, central west coast of India. Temporal variability of diurnal wave response is examined. Numerical model Delft3D is used to study the nearshore wave transformation. The wave height increased due to the sea breeze and reached its peak at ∼13:00 UTC at 15m water depth, whereas the peak significant wave height is at 12:00 UTC at 5m water depth. Due to the influence of the land/sea breeze system, the range of the peak wave period in 1 day varied up to 8 s. Reduction in the wave height of wind-sea is around 20% and that of the swell is around 10% from 15 to 5m water depth
 
Date 2016-03-09T10:05:17Z
2016-03-09T10:05:17Z
2016
 
Type Journal Article
 
Identifier Annales Geophysicae, vol.34; 2016; 215-226
http://drs.nio.org/drs/handle/2264/4926
 
Language en
 
Rights © Author(s) 2015. CC Attribution 3.0 License (CC BY-NC-SA 3.0)
 
Publisher Copernicus Publications